“positive drive lift”的概念、定义、翻译、参考文献-科学参考

单词	positive drive lift
释义	positive drive lift Encyclopedia 工学电梯释 positive drive lift强制驱动电梯用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型，已很少应用，仅在杂物电梯等中使用。不能使用对重，可使用平衡重。
随便看	two phase sampling two-phase sampling two phases heat transfer two-phase simplex method two-phase Stefan problem two-phase structure two phase system two photon absorption two-photon absorption two-photon annihilation two photon coherent state two-photon coherent state two-photon detuning two-photon emission two-photon excitation microscopy two photon excited atomic fluorescence two-photon excited atomic fluorescence two-photon fluorescence two photon fluorescence microscope two-photon fluorescence microscope two-photon fluorescent probe two-photon Hong-Ou-Mandel interferometer two-photon interference two photon laser two-photon laser

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